Brief Exercise 17-2 (Algo) Changes in the projected benefit obligation (LO17-3] The projected benefit obligation was $180 million at the beginning of the year and $192 million at the end of the year. At the end of the year, pension benefits paid by the trustee were $7 million and there were no pension-related other comprehensive income accounts. The actuary's discount rate was 5%. What was the amount of the service cost for the year? Service cost million